docs: def update(self, uid: str, data={}) -> str:
          """
          Specifies new values for the customizable messages in a form (specified by form_id).
          You can format messages with bold (*bold*) and italic (_italic_) text. HTML tags are forbidden.
          Return a `str` based on success of change, `OK` on success, otherwise an error message.
          """
          return self.__client.request('put', '/forms/%s/messages' % uid, data=data)